Torque Hole Filling (THF) is a model based approach for controlling the automatic transmission clutches and input torque during a part-pedal upshift or zero-pedal downshift. A desired transmission output torque is first calculated and then the clutches and input torque are controlled to achieve that output torque. This is a system design approach with drivability as one of the direct design objectives.This paper presents the control design and implementation of Torque Hole Filling. First, the paper introduces the topic, defines the terms, and explains the basic operation and intended result. Next, it describes how it works with one instance of implementation and its corresponding dynamics equations, for both torque transfer and ratio change phases. Lastly but most importantly, it covers the various robustness considerations for real-world applications.


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    Titel :

    Implementation of Torque Hole Filling for Transmission Shift Control


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Riedle, Bradley D. (Autor:in) / O'Neil, Brian (Autor:in) / Griffin, Chad (Autor:in) / Teslak, Christopher (Autor:in) / Tseng, Eric (Autor:in) / Zhang, Jianping (Autor:in) / Slayton, Joseph (Autor:in) / Cicala, Stephen (Autor:in) / Fujii, Yuji (Autor:in)

    Kongress:

    WCX World Congress Experience ; 2018



    Erscheinungsdatum :

    2018-04-03




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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